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Aug. 9, Q 5 HAMER Y 7 PA I Filed Apri 1950 Z INVENTOR: %w7m%e M6 A TTORNEYS.

Patented Aug. 9, 1932 UNITED STATES PATENT OFFICE CABIrS. HAIEBSLEY, OF NEW YORK, 11'. Y ASSIGNOB TO THE HAMEBSLEY MANUFAC- TUBING CO, 01' GARFIELD,

NEW JERSEY, A CORPORATION OF NEW JERSEY PAPER Application flied. April-28, 1980. Serial No. 447,487.

This invention relates to an improvement in wax papers.

In In application Serial No. 409,445, filed Novem er 25, 1929, I have pointed out some 5 of the difliculties experienced in packing foods, etc. in boxes lined with moistureproof paper and the present invention is directed to further improving such papers. In the packing of certain food stuffs, crackers for instance, the boxes are folded and lined automatically with moisture-proof paper, the lining and the cover of the box, as stated in my previous application, standing vertically at the finish of this 0 oration. In-

I asniuch as the boxes are then lled by hand it is desirable that the linin be so disposed as not to interfere with the filling operation.

By my previous application I employ a waxed or moistureroof aper which is dis- ?0 torted out of the plbne 0 both faces of the paper to provide corrugations in the paper, increasing the rigidity or stiffness of the paper and reducin the tendency of the paper to lean toward t e inside of the box 1n the way of the packers hands.

I have found after many tests that while such a construction is vastly superior to a lain paper, though of greater wei ht, even tter results are obtained if the lining is 39 so constructed as to curve on curl outwardly at its upper edges, as distin ished from merely standing erect, inasmuc as such construction reduces to the minimum the chances of the hands of the packer striking the upper 35 edge of the paper when filling the box, and

1 avoids the necessity of the packer pushing the lining to one side so to admit of the entry of the crackers or other articles with which the box is to be filled.

To accomplish my purpose the waxed paer is provided along one face thereof adacent its edge with a strip of paper which is so disposed as to cause the paper to curl or curve outwardly in a direction away from the interior of the box, so that with the lining in position and the box ready for filling, the lining at its upper edge is sli htly bent or curved over and outwardly sufficiently to take it out of the path of the packers hands when filling the box, and avoiding the necessity of the operator pressing the lining to one side in the packing operation.

I have found that good results are ob tained if this extra strip of paper be appliedto a plain lining, such construction being superior to the plain paper heretofore used for box linings, but much. better results are obtained if the curling strip is applied to a lining of the construction covered by my co-pending application above referred to, with the additional strip extending across the corrugations.

In the drawing:

Fig. 1 illustrates an embodiment of my invention, showing the lining in place in a cracker box;

Fig. 2 is a plan view of a piece of my improved lining; while Fig. 3 is a section on line 3-3 of Fig. 2.

Referring to the drawing in detail, it will be seen that my improved .paper comprises a main or body portion 1, provided along its edge or edges with a narrow strip of paper 2. Inasmuch as the paper 1 as well as the strip 2 are waxed, the strip 2 will be held in place by the wax coating.

If desired the paper 1 with the strip 2 applied thereto may be passcd between toothed rolls such as disclosed in my prior application above referred to permanently to distort the paper out of the lanes of the surfaces of the paper to provi e alternate ridges and depressions 3 and 4, the curling strip 2- which likewise will be distorted extending across these corrugations.

I find that when such a paper is folded in with a box in the process of automatically forming and lining the box, that the lining along its upper edges curls or curves outwardly as shown in Fig. 1, so that the upper edge of the lining is moved outwardly slightly out of the plane of the inner face of the main portion of the paper lining to facilitate entry of the operators hands into the box, in

the process of filling, without catching in the paper.

It will be seen from the foregoing, therefore, that l have provided an improved paper particularly adapted for lining boxes, 100

and so constructed as to facilitate filling of the boxes. v p

It is to be appreciated also that my invention may be realized by employing an un 5 waxed paper, and by omitting the corrugations shown in the drawin although such construction is preferred w ere a saving in cost is desired, in that the corrugated paper is more rigid than a plain paper, rnuttmg 1 the use of lighter weight paper. t is to be understood also-that t e strip 2 may be applied along any or all edges of the paper if esired.

What I claim is: i

16 1. As an article of manufacture, a flexible paper distorted at intervals out of the plane of the surfaces of the paper to provide corrugations, and a similarly distorted flexible pa per strip attached in superposed relation to 10 the paper along an edge thereof and extending across the corru ations.

2. As an article 0 manufacture a flexible waxed pa er distorted at intervals out of the plane oft e surfaces of the paper to provide "corrugations, and a similarly distorted flexible waxed paper strip superimposed upon the first mentioned paper along one face of the paper adjacent the edge thereof, said strip extending transversely of the corruga- 30 tions.

This specification signed this 23rd day of April, 1930.

CARL S. HAMERSLEY. 

